28310090418 has 12 divisors (see below), whose sum is σ = 61338529278. Its totient is φ = 9436696800.

The previous prime is 28310090401. The next prime is 28310090449. The reversal of 28310090418 is 81409001382.

It can be written as a sum of positive squares in only one way, i.e., 14768811729 + 13541278689 = 121527^2 + 116367^2 .

It is a super-2 number, since 2×28310090418² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786391383 + ... + 786391418.

Almost surely, 2^28310090418 is an apocalyptic number.

28310090418 is an abundant number, since it is smaller than the sum of its proper divisors (33028438860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28310090418 is a wasteful number, since it uses less digits than its factorization.

28310090418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572782809 (or 1572782806 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 28310090418 in words is "twenty-eight billion, three hundred ten million, ninety thousand, four hundred eighteen".